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As a unique probe for geophysical research, geoneutrinos can reveal the distribution of internal heat sources in the Earth by detecting electron antineutrinos produced by the radioactive decay of $^{238}$U, $^{232}$Th, and $^{40}$K.…

High Energy Physics - Experiment · Physics 2026-03-27 Keyu Han , Juncheng Qian , Shaomin Chen

We show how by studying the Earth matter effect on oscillations of solar and supernova neutrinos inside the Earth one can in principle reconstruct the electron number density profile of the Earth. A direct inversion of the oscillation…

High Energy Physics - Phenomenology · Physics 2009-11-11 E. Kh. Akhmedov , M. A. Tortola , J. W. F. Valle

A MINOS result seemed to hint a different anti-neutrino mass splitting and mixing angle with respect to the neutrino ones, offering a hint for a CPT violation in lepton sector. However more recent MINOS data reduced the…

High Energy Physics - Phenomenology · Physics 2012-09-21 Daniele Fargion , Daniele D'Armiento , Paolo Desiati , Paolo Paggi

The IceCube Neutrino Observatory has revealed the existence of sources of high-energy astrophysical neutrinos. However, identification of the sources is challenging because astrophysical neutrinos are difficult to separate from the…

Instrumentation and Methods for Astrophysics · Physics 2020-01-09 D. Rysewyk , D. Lennarz , T. DeYoung , J. Auffenberg , M. Schaufel , T. Bretz , C. Wiebusch , M. U. Nisa

The next Galactic core-collapse supernova (SN) is a highly anticipated observational target for neutrino telescopes. However, even prior to collapse, massive dying stars shine copiously in "pre-supernova" (pre-SN) neutrinos, which can…

High Energy Physics - Phenomenology · Physics 2020-02-21 Nirmal Raj , Volodymyr Takhistov , Samuel J. Witte

Supernova (SN) neutrinos can excite the nuclei of various detector materials beyond their neutron emission thresholds through charged current (CC) and neutral current (NC) interactions. The emitted neutrons, if detected, can be a signal for…

High Energy Astrophysical Phenomena · Physics 2017-03-29 Abhijit Bandyopadhyay , Pijushpani Bhattacharjee , Sovan Chakraborty , Kamales Kar , Satyajit Saha

A future galactic SN can be located several hours before the optical explosion through the MeV-neutrino burst, exploiting the directionality of $\nu$-$e$-scattering in a water Cherenkov detector such as Super-Kamiokande. We study the…

High Energy Physics - Phenomenology · Physics 2009-11-10 R. Tomas , D. Semikoz , G. G. Raffelt , M. Kachelriess , A. S. Dighe

We find an analytical expression of neutrino evolution operator in the Earth matter using perturbative approach in the context of three neutrino oscillations. We find that our analytical expression is highly accurate by comparing its…

High Energy Physics - Phenomenology · Physics 2020-01-29 Bushra Shafaq , Faisal Akram

The signatures of sterile neutrinos in the supernova neutrino signal in megaton water Cerenkov detectors are studied. Time dependent modulation of the neutrino signal emerging from the sharp changes in the oscillation probability due to…

High Energy Physics - Phenomenology · Physics 2008-11-26 Sandhya Choubey , N. P. Harries , G. G. Ross

In this work we analyse the ultimate sensitivity of dark matter direct detection experiments, the "neutrino-floor", in the presence of anomalous sources of dark radiation in form of SM or semi-sterile neutrinos. This flux-component is…

High Energy Physics - Phenomenology · Physics 2020-09-01 Marco Nikolic , Suchita Kulkarni , Josef Pradler

The multi-ton-scale liquid xenon detectors, with an excellent energy resolution of a few keV, will be constructed to probe the dark-matter particles. In this paper, we show that precision measurements of the low-energy solar neutrinos via…

High Energy Physics - Phenomenology · Physics 2019-02-15 Guo-yuan Huang , Shun Zhou

In the 3-flavour framework we derive a simple approximate analytic expression for the day-night difference of the flux of solar $\nu_e$ at terrestrial detectors which is valid for an arbitrary Earth density profile. Our formula has the…

High Energy Physics - Phenomenology · Physics 2009-11-10 E. Kh. Akhmedov , M. A. Tortola , J. W. F. Valle

The PANDAX-4T and XENONnT experiments present indications of Coherent Elastic Neutrino Nucleus Scattering (CE$\nu$NS) from ${}^{8}$B solar neutrinos at 2.6$\sigma$ and 2.7$\sigma$, respectively. This constitutes the first observation of the…

High Energy Physics - Phenomenology · Physics 2025-08-04 Pablo Blanco-Mas , Pilar Coloma , Gonzalo Herrera , Patrick Huber , Joachim Kopp , Ian M. Shoemaker , Zahra Tabrizi

New probes of neutrino mixing are needed to advance precision studies. One promising direction is via the detection of low-energy atmospheric neutrinos (below a few hundred MeV), to which a variety of near-term experiments will have…

High Energy Physics - Phenomenology · Physics 2023-09-04 Anna M. Suliga , John F. Beacom

Future large liquid-scintillator detectors can be implemented to observe neutrinos from a core-collapse supernova (SN) in our galaxy in various reaction channels: (1) The inverse beta decay $\overline{\nu}^{}_e + p \to n + e^+$; (2) The…

High Energy Physics - Phenomenology · Physics 2016-07-27 Jia-Shu Lu , Yu-Feng Li , Shun Zhou

Earth matter density uncertainties play a non trivial role in three flavor neutrino oscillations in matter, particularly for the muon to electron appearance channel that underpins CP violation measurements in long baseline experiments. We…

High Energy Physics - Phenomenology · Physics 2026-05-25 Tia Pandit , Bipin Singh Koranga

The ANTARES Collaboration proposes to construct a large area water Cherenkov detector in the deep Mediterranean Sea, optimised for the detection of muons from high-energy astrophysical neutrinos. This paper presents the scientific…

Astrophysics · Physics 2012-08-27 ANTARES Collaboration

The atmospheric neutrino flux includes a component from the prompt decay of charmed hadrons that becomes significant only at $E\ge 10$ TeV. At these energies, however, the diffuse flux of cosmic neutrinos discovered by IceCube seems to be…

High Energy Physics - Phenomenology · Physics 2021-09-15 Miguel Gutiérrez , Gerardo Hernández-Tomé , José I. Illana , Manuel Masip

The Sudbury Neutrino Observatory (SNO) is a water imaging Cherenkov detector. Its usage of 1000 metric tons of D$_{2}$O as target allows the SNO detector to make a solar-model independent test of the neutrino oscillation hypothesis by…

Nuclear Experiment · Physics 2019-08-14 A. W. P. Poon

Neutrino telescopes that measure relative fluxes of ultrahigh-energy $\nu_{e}, \nu_{\mu}, \nu_{\tau}$ can give information about the location and characteristics of sources, about neutrino mixing, and can test for neutrino instability and…

High Energy Physics - Phenomenology · Physics 2009-05-05 Gabriela Barenboim , Chris Quigg